McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    21 Products
    About Drill Bits
    industrial info icon

    Compare material, finish, length class, and decimal size equivalents.

    Rebar-Cutting Core Drill Bits for Concrete

    Core out large holes in concrete, even if it's reinforced with rebar mesh. No need to switch bits, these have a diamond-coated edge that keeps on cutting and resists wear to stay sharp.
    Threaded-Hub Shank for Rotary Only Drilling
    Image of Product. Front orientation. Drill Bits. Rebar-Cutting Core Drill Bits for Concrete, Threaded-Hub Shank for Rotary Only Drilling.
    Bits are designed for wet drilling on a drilling rig. To avoid damage to bits and tools, do not use for dry drilling or with portable drills or grinders.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Shank
    Size
    Thread
    Size
    Bit ID
    Each
    Diamond Coated
     
    Standard Point
    1"
    		1"
    		15 1/2"13"1"5/8"-11
    		3/4"00000000000000
    1 1/8"
    		1.125"
    		15 1/2"13"1 1/8"5/8"-11
    		7/8"0000000000000
    1 1/4"
    		1.25"
    		15 1/2"13"1 1/4"5/8"-11
    		1"0000000000000
    1 3/8"
    		1.375"
    		15 1/2"13"1 3/8"5/8"-11
    		1 1/8"0000000000000
    1 1/2"
    		1.5"
    		15 1/2"13"1 1/2"5/8"-11
    		1 1/4"0000000000000
    1 3/4"
    		1.75"
    		15 1/2"13"1 3/4"1 1/4"-7
    		1 1/2"0000000000000
    2"
    		2"
    		16 1/4"14.5"2"1 1/4"-7
    		1 3/4"0000000000000
    2 1/4"
    		2.25"
    		15 1/2"13"2 1/4"1 1/4"-7
    		2"0000000000000
    2 1/2"
    		2.5"
    		15 1/2"13"2 1/2"1 1/4"-7
    		2 1/4"0000000000000
    2 3/4"
    		2.75"
    		15 1/2"13"2 3/4"1 1/4"-7
    		2 1/2"0000000000000
    3"
    		3"
    		16 7/16"14.5"3"1 1/4"-7
    		2 3/4"0000000000000
    3 1/2"
    		3.5"
    		15 1/2"13"3 1/2"1 1/4"-7
    		3 1/4"0000000000000
    4"
    		4"
    		15 1/2"13"4"1 1/4"-7
    		3 3/4"0000000000000
    4 1/2"
    		4.5"
    		15 1/2"13"4 1/2"1 1/4"-7
    		4 1/4"0000000000000
    5"
    		5"
    		15 1/2"13"5"1 1/4"-7
    		4 3/4"0000000000000
    6"
    		6"
    		15 1/2"13"6"1 1/4"-7
    		5 3/4"0000000000000
    7"
    		7"
    		15 1/2"13"7"1 1/4"-7
    		6 3/4"0000000000000
    8"
    		8"
    		15 1/2"13"8"1 1/4"-7
    		7 5/8"0000000000000
    10"
    		10"
    		15 1/2"13"10"1 1/4"-7
    		9 5/8"0000000000000
    12"
    		12"
    		15 1/2"13"12"1 1/4"-7
    		11 5/8"0000000000000
     
    Drill Rig Thread Adapters
    Image of Product. Front orientation. Drill Rig Thread Adapters.
    Use your bit on a drilling rig with a different thread size.
    Thread SIze
    Overall
    Lg.
    Male Thread
    Size
    Female Thread
    Size
    Each
    For Threaded-Hub-Shank Drill Bits
    5 3/8"5/8"-11
    		1 1/4"-7
    		00000000000000
     

    Drill Rig Thread Adapters for Rebar-Cutting Core Drill Bits

    Image of Product. Front orientation. Drill Rig Thread Adapters.
    Adapt a bit for use on a drilling rig with a different thread size.
    Thread
    Size
    Overall
    Lg.
    Male
    Female
    Each
    For Threaded-Hub-Shank Drill Bits
    5 3/8"5/8"-11
    		1 1/4"-7
    		00000000000000
     
    back to top